NIKE MENS Free 5.0 2014 - Midnight Navy/White/Cool Grey/Wolf Grey Mesh upper made with dynamic Flywire technology offers ultra-lightweight support, breathability, and a secure lockdown. Flex grooves in Phylon midsole allow your foot to move naturally in multiple directions. New flex pattern on outsole offers six directions of motion for the most flexible outsole to date. Wt. 8.8 oz.